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Harvia Smart Sensor sauna heater retrofit — temperature & humidity monitoring, Wi‑Fi app alerts
The Harvia Smart Sensor converts manual electric and wood-burning sauna heaters into a connected, data-driven system that monitors temperature, humidity and usage and links to the MyHarvia app for alerts and insights. If you own a Harvia heater or a compatible sauna stove and...- £138.49
- £138.49
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